Somewhat in excess of one- fifth of the tin consumed in the United States goes into the manufacture of solders ; no one type of application, with the single exception of tin plate, uses more than one-third this amount. With the growing possibility of curtailment in tin supplies to the United States, it is appropriate that an effort be made
to find satisfactory substitutes in an application such
as this which is vital both to peace-time industry and
to the manufacture of war materials
